So What's Shanks' Role In One Piece Film: Red?

I very notably left out Shanks talk in my review of One Piece Film: Red. That's because Shanks' appearance is well past the point in the film where almost

Join the Red Hair Pirates and become one of the Four Emperors of the New World with this Bandai Spirits One Piece Film: Red Shanks Ichibansho Action

Bandai Spirits One Piece Film: Red Shanks Ichibansho

Shanks - RED Movie - One Piece by caiquenadal on DeviantArt

One Piece Film Red review: an admirable action-musical anime

One Piece Film: Red Products from Uta's Jacket to Shanks's Outfit - Japan Web Magazine

How One Piece Film: Red Breaks The One Piece Rules

One Piece Film: Red Products from Uta's Jacket to Shanks's Outfit - Japan Web Magazine

Oda said that Film red will reveal one great fact about shanks and I believe this is what it is [Spoilers for film red] : r/OnePiece

One Piece Film: RED – REVIEW – The Library of Ohara

One Piece: Red Clears Up One Major Shanks Origin Story Mystery